Aha please help!!!!! im a bit confused lol
1 answer:
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Answer:
<em>95% of confidence intervals are</em>
<em>(31.5215 , 53.4785)</em>
Step-by-step explanation:
<u><em>Explanation</em></u>:-
Given sample size 'n' =24
Mean of the sample x⁻ = 42.5
Standard deviation of the sample 'S' = 26
<em>95% of confidence intervals are determined by</em>
<em></em><em></em>
<em>Degrees of freedom </em>
<em> ν =n-1 = 24-1 =23</em>
<em></em><em></em>
<em>95% of confidence intervals are</em>
<em></em><em></em>
<em>( 42.5 -10.9785 ,42.5 +10.9785)</em>
<em>(31.5215 , 53.4785)</em>
<em></em>